Back pack lunch container



FIG. 1 is a top left front perspective view of a back pack lunch container showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; the left side elevational being a mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a back pack lunch container, as shown and described. 